1/a+1/b+1/c=1 abc=2 then ab^2c^2+a^2bc^2+a^2b^2c
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1/a + 1/b +1/c = 1
LCM = bc + ac + ab / abc = 1
bc + ac + ab = abc
ab + bc + ac = 2
ab^2 c^2 + a^ bc^2 + a^2 b^2 C
abc ( bc + ac + ab )
2. (2)
= 4
Hope it helps .
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